Feb 19 notes part 1

Hypodermis

The deepest layer of the integumentary system, made up of adipose connective tissue.

Adipose tissue

Connective tissue that stores energy, provides cushioning, and insulation.

Cellulite

A term often used to describe dimpled skin, but is not a special kind of fat.

Basal cell carcinoma

A type of skin cancer originating from keratinocytes in the stratum basale, rarely metastasizes.

Squamous cell carcinoma

A cancer of the keratinocytes in the stratum spinosum, accounts for about 25% of skin cancers.

Melanoma

The most dangerous skin cancer, originating from melanocytes and has a high potential to metastasize.

ABCDE criteria

A method for identifying melanoma based on Asymmetry, Border irregularity, Color variation, Diameter, and Evolving nature.

Decubitus ulcer

Also known as bedsores, caused by prolonged pressure on the skin, leading to tissue breakdown.

First degree burn

A burn that affects only the epidermis, such as a sunburn.

Third degree burn

A burn that extends through all layers of the skin, severely damaging the dermis and hypodermis.

Skin grafts

Medical procedures to replace lost skin, using skin from other parts of the body or donors.

Psoriasis

An autoimmune disease where the immune system attacks body's own keratinocytes, leading to patches of dead skin.

Pheomelanin

A type of melanin that gives red color, found in red or orange hair and in lips.

Hemoglobin

A protein in red blood cells that gives red coloration, more visible in regions with thin epidermis.

Keratin

A pigment that can give yellow or orange color, found in certain populations.

Liposuction

A surgical procedure that removes fat from the body, can cause complications if not done properly.

Cancer statistics

Data compiled to analyze the prevalence and incidence of different types of cancers.

What is the hypodermis made up of?

The hypodermis is made up of adipose connective tissue.

What is the function of adipose tissue?

Adipose tissue stores energy, provides cushioning, and insulation.

What is cellulite?

Cellulite is a term used to describe dimpled skin, which is not a special kind of fat.

How does basal cell carcinoma behave?

Basal cell carcinoma rarely metastasizes and originates from keratinocytes in the stratum basale.

What percentage of skin cancers does squamous cell carcinoma account for?

Squamous cell carcinoma accounts for about 25% of skin cancers.

What is the most dangerous type of skin cancer?

Melanoma is the most dangerous skin cancer, originating from melanocytes.

What does the ABCDE criteria help identify?

The ABCDE criteria helps identify melanoma based on Asymmetry, Border irregularity, Color variation, Diameter, and Evolving nature.

What causes decubitus ulcers?

Decubitus ulcers, or bedsores, are caused by prolonged pressure on the skin.

What layer of the skin is affected by a first degree burn?

A first degree burn affects only the epidermis.

What is the purpose of skin grafts?

Skin grafts are used to replace lost skin using skin from other parts of the body or from donors.